package com.hyphenate.tfj.live.util;

import android.app.Activity;
import android.content.Context;
import android.util.Log;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.Toast;

import com.google.gson.Gson;
import com.hyphenate.tfj.DemoApplication;
import com.hyphenate.tfj.live.data.model.User;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

/**
 * Created by wei on 2016/6/2.
 */
public class Utils {
    public static void hideKeyboard(View view){
        InputMethodManager imm = (InputMethodManager) DemoApplication.getInstance().getApplicationContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
    }

    public static void showKeyboard(View view){
        InputMethodManager imm = (InputMethodManager) DemoApplication.getInstance().getApplicationContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.showSoftInput(view, InputMethodManager.SHOW_FORCED);
    }


    public static void showToast(final Activity activity, final String toastContent){
        activity.runOnUiThread(new Runnable() {
            public void run() {
                Toast.makeText(activity, toastContent, Toast.LENGTH_SHORT).show();
            }
        });
    }

    public static void showLongToast(final Activity activity, final String toastContent){
        activity.runOnUiThread(new Runnable() {
            public void run() {
                Toast.makeText(activity, toastContent, Toast.LENGTH_LONG).show();
            }
        });
    }

    //生成随机用户名，数字和字母组成,
   public static String getStringRandom(int length) {
       String val = "";
       Random random = new Random();
       //参数length，表示生成几位随机数
       for(int i = 0; i < length; i++) {
            String charOrNum = random.nextInt(2) % 2 == 0 ? "char" : "num";
            //输出字母还是数字
            if( "char".equalsIgnoreCase(charOrNum) ) {
                //输出是大写字母还是小写字母
//                int temp = random.nextInt(2) % 2 == 0 ? 65 : 97;
                val += (char)(random.nextInt(26) + 97);
            } else if( "num".equalsIgnoreCase(charOrNum) ) {
                val += String.valueOf(random.nextInt(10));
            }
        }
       return val;
   }

    /**
     *  随机获取英文+数字（用户名）
     * @param engCode 小写英文的数量
     * @param numCode 数字的数量
     * @return
     */
    public static String verifyUserName(int engCode,int numCode){
        //声明一个StringBuffer存储随机数
        StringBuffer sb = new StringBuffer();
        char[] englishCodeArray = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
                'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'};
        char[] numCodeArray = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
        Random random = new Random();
        //获取英文
        for (int i = 0; i <engCode; i++){
            char num = englishCodeArray[random.nextInt(englishCodeArray.length)];
            sb.append(num);
        }
        //获取数字
        for (int i = 0; i <numCode; i++){
            char num = numCodeArray[random.nextInt(numCodeArray.length)];
            sb.append(num);
        }
        return sb.toString();
    }

    public static void getUsers(Context context) {
        List<User> list = new ArrayList<>();
        User user;
        for(int i = 1; i <= 1000; i++) {
            user = new User();
            user.setUsername("hx"+i);
            user.setNick(getChineseName());
            int index = (int) Math.round(Math.random() * 7 + 1);
            int drawable = context.getResources().getIdentifier("em_avatar_" + index, "drawable", context.getPackageName());
            user.setAvatarResource(drawable);
            list.add(user);
        }
        String content = new Gson().toJson(list);
        Log.e("TAG", "content = "+content);
//        writeToFile(context, "users.json", content);
    }

    public static File getFile(Context context, String fileName) {
        File path = context.getExternalFilesDir(null);
        if(!path.exists()) {
            path.mkdirs();
        }
        File file = new File(path, fileName);
        if(!file.exists()) {
            try {
                file.createNewFile();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return file;
    }

    public static void writeToFile(Context context, String fileName, String content) {
        OutputStreamWriter fos = null;
        try {
            fos = new OutputStreamWriter(new FileOutputStream(getFile(context, fileName)), Charset.forName("gbk"));
            fos.write(content);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if(fos != null) {
                try {
                    fos.flush();
                    fos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    public static String getChineseName() {
        int len = (int) Math.round(Math.random() + 1);
        String name = "";
        Random random = new Random();
        for(int i = 0; i < len; i++) {
            String str = null;
            int highPos, lowPos;
            //区码，0xA0打头，从第16区开始，即0xB0=11*16=176,16~55一级汉字，56~87二级汉字
            highPos = (176 + Math.abs(random.nextInt(72)));
            random=new Random();
            //位码，0xA0打头，范围第1~94列
            lowPos = 161 + Math.abs(random.nextInt(94));

            byte[] bArr = new byte[2];
            bArr[0] = (new Integer(highPos)).byteValue();
            bArr[1] = (new Integer(lowPos)).byteValue();
            try {
                //区位码组合成汉字
                str = new String(bArr, "gbk");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            name += str;
        }
        int index = random.nextInt(Surname.length-1);
        //获得一个随机的姓氏
        name = Surname[index] + name;
        return name;
    }


    //百家姓
    private static final String[] Surname= {"赵","钱","孙","李","周","吴","郑","王","冯","陈","褚","卫","蒋","沈","韩","杨","朱","秦","尤","许",
            "何","吕","施","张","孔","曹","严","华","金","魏","陶","姜","戚","谢","邹","喻","柏","水","窦","章","云","苏","潘","葛","奚","范","彭","郎",
            "鲁","韦","昌","马","苗","凤","花","方","俞","任","袁","柳","酆","鲍","史","唐","费","廉","岑","薛","雷","贺","倪","汤","滕","殷",
            "罗","毕","郝","邬","安","常","乐","于","时","傅","皮","卞","齐","康","伍","余","元","卜","顾","孟","平","黄","和",
            "穆","萧","尹","姚","邵","湛","汪","祁","毛","禹","狄","米","贝","明","臧","计","伏","成","戴","谈","宋","茅","庞","熊","纪","舒",
            "屈","项","祝","董","梁","杜","阮","蓝","闵","席","季","麻","强","贾","路","娄","危","江","童","颜","郭","梅","盛","林","刁","钟",
            "徐","邱","骆","高","夏","蔡","田","樊","胡","凌","霍","虞","万","支","柯","昝","管","卢","莫","经","房","裘","缪","干","解","应",
            "宗","丁","宣","贲","邓","郁","单","杭","洪","包","诸","左","石","崔","吉","钮","龚","程","嵇","邢","滑","裴","陆","荣","翁","荀",
            "羊","于","惠","甄","曲","家","封","芮","羿","储","靳","汲","邴","糜","松","井","段","富","巫","乌","焦","巴","弓","牧","隗","山",
            "谷","车","侯","宓","蓬","全","郗","班","仰","秋","仲","伊","宫","宁","仇","栾","暴","甘","钭","厉","戎","祖","武","符","刘","景",
            "詹","束","龙","叶","幸","司","韶","郜","黎","蓟","溥","印","宿","白","怀","蒲","邰","从","鄂","索","咸","籍","赖","卓","蔺","屠",
            "蒙","池","乔","阴","郁","胥","能","苍","双","闻","莘","党","翟","谭","贡","劳","逄","姬","申","扶","堵","冉","宰","郦","雍","却",
            "璩","桑","桂","濮","牛","寿","通","边","扈","燕","冀","浦","尚","农","温","别","庄","晏","柴","瞿","阎","充","慕","连","茹","习",
            "宦","艾","鱼","容","向","古","易","慎","戈","廖","庾","终","暨","居","衡","步","都","耿","满","弘","匡","国","文","寇","广","禄",
            "阙","东","欧","殳","沃","利","蔚","越","夔","隆","师","巩","厍","聂","晁","勾","敖","融","冷","訾","辛","阚","那","简","饶","空",
            "曾","毋","沙","乜","养","鞠","须","丰","巢","关","蒯","相","查","后","荆","红","游","郏","竺","权","逯","盖","益","桓","公","仉",
            "督","岳","帅","缑","亢","况","郈","有","琴","归","海","晋","楚","闫","法","汝","鄢","涂","钦","商","牟","佘","佴","伯","赏","墨",
            "哈","谯","篁","年","爱","阳","佟","言","福","南","火","铁","迟","漆","官","冼","真","展","繁","檀","祭","密","敬","揭","舜","楼",
            "疏","冒","浑","挚","胶","随","高","皋","原","种","练","弥","仓","眭","蹇","覃","阿","门","恽","来","綦","召","仪","风","介","巨",
            "木","京","狐","郇","虎","枚","抗","达","杞","苌","折","麦","庆","过","竹","端","鲜","皇","亓","老","是","秘","畅","邝","还","宾",
            "闾","辜","纵","侴","万俟","司马","上官","欧阳","夏侯","诸葛","闻人","东方","赫连","皇甫","羊舌","尉迟","公羊","澹台","公冶","宗正",
            "濮阳","淳于","单于","太叔","申屠","公孙","仲孙","轩辕","令狐","钟离","宇文","长孙","慕容","鲜于","闾丘","司徒","司空","兀官","司寇",
            "南门","呼延","子车","颛孙","端木","巫马","公西","漆雕","车正","壤驷","公良","拓跋","夹谷","宰父","谷梁","段干","百里","东郭","微生",
            "梁丘","左丘","东门","西门","南宫","第五","公仪","公乘","太史","仲长","叔孙","屈突","尔朱","东乡","相里","胡母","司城","张廖","雍门",
            "毋丘","贺兰","綦毋","屋庐","独孤","南郭","北宫","王孙"};
}
